diff --git a/boards/arm/stm32f0l0g0/nucleo-c071rb/include/board.h b/boards/arm/stm32f0l0g0/nucleo-c071rb/include/board.h
index 8a07bebea84..3821efe426e 100644
--- a/boards/arm/stm32f0l0g0/nucleo-c071rb/include/board.h
+++ b/boards/arm/stm32f0l0g0/nucleo-c071rb/include/board.h
@@ -139,12 +139,12 @@
 /* USART */
 
 /* USART1 at arduino D0/D1:
- *   USART1_RX - PB6
- *   USART1_TX - PB7
+ *   USART1_RX - PB7
+ *   USART1_TX - PB6
  */
 
-#define GPIO_USART1_RX      (GPIO_USART2_RX_2|GPIO_SPEED_HIGH)    /* PB6 */
-#define GPIO_USART1_TX      (GPIO_USART2_TX_2|GPIO_SPEED_HIGH)    /* PB7 */
+#define GPIO_USART1_RX      (GPIO_USART1_RX_2|GPIO_SPEED_HIGH)    /* PB7 */
+#define GPIO_USART1_TX      (GPIO_USART1_TX_2|GPIO_SPEED_HIGH)    /* PB6 */
 
 /* USART1 RS485_DIR - PA8 (arduino D7)
  * (compatible with RS485 Waveshare shield)
diff --git a/boards/arm/stm32f0l0g0/nucleo-c092rc/include/board.h b/boards/arm/stm32f0l0g0/nucleo-c092rc/include/board.h
index 167d4fc74ac..553377235cb 100644
--- a/boards/arm/stm32f0l0g0/nucleo-c092rc/include/board.h
+++ b/boards/arm/stm32f0l0g0/nucleo-c092rc/include/board.h
@@ -144,12 +144,12 @@
 /* USART */
 
 /* USART1 at arduino D0/D1:
- *   USART1_RX - PB6
- *   USART1_TX - PB7
+ *   USART1_RX - PB7
+ *   USART1_TX - PB6
  */
 
-#define GPIO_USART1_RX      (GPIO_USART2_RX_2|GPIO_SPEED_HIGH)    /* PB6 */
-#define GPIO_USART1_TX      (GPIO_USART2_TX_2|GPIO_SPEED_HIGH)    /* PB7 */
+#define GPIO_USART1_RX      (GPIO_USART1_RX_2|GPIO_SPEED_HIGH)    /* PB7 */
+#define GPIO_USART1_TX      (GPIO_USART1_TX_2|GPIO_SPEED_HIGH)    /* PB6 */
 
 /* USART1 RS485_DIR - PA8 (arduino D7)
  * (compatible with RS485 Waveshare shield)